Coloring books: They’re not just for kids anymore. And, as any parent knows, they never really were. After all, what mom hasn’t lost herself in a Cinderella coloring book while “helping” her child ...

Crayons, of course. Scented markers. Colored pencils, presharpened. And coloring books by the jillions. Why do people like coloring so much? For grown-ups, I can totally get the nostalgia — and the ...